jats:pThe article examines the reach, protective effects and limitations of the recently adopted European Union (EU) Directive on Transparent and Predictable Working Conditions. After explaining the need for a new instrument, the article analyses the Directive’s protective provisions. Cases of the European Court of Justice are presented to provide the wider context and explain how the EU social acquis impacts upon the implementation of the Directive. Finally, new developments in the EU labour and social field are discussed, making recommendations of possible avenues for providing protection to a larger category of workers.</jats:p>